Supports 5*10/100/1000Tx Fast Ethernet Ports and 2*100/1000 SFP SlotsNetwork Redundancy Support: RSTP/MSTP, and G.8032 ERPS (Recovery Time <50ms)Configuration: Web Console, Telnet, CLI CommandSupports IGMP v1/v2/v3, up to 256 GroupsSupports QoS (IEEE802.1p) and CoS/ToSSupports IEEE802.1Q VLAN, SNMP v1/v2cSystem Warning Setting for Automatic Warning through E-MailPower Input: 12~48VDC in 6-Pin Terminal BlockReverse Polarity ProtectionIP30 ProtectionDIN-Rail or Wall MountableOperating Temperature Range – EoT: -40° to 75°C5-Year Warranty